./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/sine_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cdfpl/sine_7.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf2305db0d1203cb19d8044e9a6a42a8b9d1729a9edcdb80b1d7b6c3eacfaa74 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:00:41,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:00:41,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:00:41,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:00:41,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:00:41,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:00:41,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:00:41,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:00:41,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:00:41,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:00:41,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:00:41,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:00:41,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:00:41,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:00:41,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:00:41,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:00:41,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:00:41,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:00:41,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:00:41,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:00:41,799 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:00:41,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:00:41,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:00:41,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:00:41,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:00:41,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:00:41,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:00:41,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:00:41,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:00:41,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:00:41,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:00:41,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:00:41,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:00:41,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:00:41,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:00:41,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:00:41,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:00:41,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:00:41,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:00:41,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:00:41,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:00:41,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:00:41,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 14:00:41,832 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:00:41,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:00:41,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:00:41,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:00:41,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:00:41,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:00:41,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:00:41,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:00:41,835 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:00:41,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:00:41,836 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:00:41,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 14:00:41,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:00:41,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:00:41,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:00:41,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:00:41,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:00:41,837 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:00:41,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:00:41,837 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:00:41,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:00:41,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:00:41,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:00:41,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:00:41,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:00:41,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:00:41,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:00:41,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:00:41,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 14:00:41,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 14:00:41,839 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:00:41,839 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:00:41,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:00:41,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf2305db0d1203cb19d8044e9a6a42a8b9d1729a9edcdb80b1d7b6c3eacfaa74 [2022-07-13 14:00:42,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:00:42,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:00:42,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:00:42,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:00:42,030 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:00:42,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_7.i [2022-07-13 14:00:42,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ffd0105f/72174eca20f14a4b822becca8de42efa/FLAG59b9d4b39 [2022-07-13 14:00:42,444 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:00:42,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_7.i [2022-07-13 14:00:42,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ffd0105f/72174eca20f14a4b822becca8de42efa/FLAG59b9d4b39 [2022-07-13 14:00:42,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ffd0105f/72174eca20f14a4b822becca8de42efa [2022-07-13 14:00:42,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:00:42,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:00:42,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:00:42,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:00:42,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:00:42,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:00:42" (1/1) ... [2022-07-13 14:00:42,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b88642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:42, skipping insertion in model container [2022-07-13 14:00:42,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:00:42" (1/1) ... [2022-07-13 14:00:42,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:00:42,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:00:43,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_7.i[1641,1654] [2022-07-13 14:00:43,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:00:43,042 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:00:43,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_7.i[1641,1654] [2022-07-13 14:00:43,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:00:43,060 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:00:43,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:43 WrapperNode [2022-07-13 14:00:43,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:00:43,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:00:43,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:00:43,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:00:43,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:43" (1/1) ... [2022-07-13 14:00:43,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:43" (1/1) ... [2022-07-13 14:00:43,083 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2022-07-13 14:00:43,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:00:43,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:00:43,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:00:43,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:00:43,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:43" (1/1) ... [2022-07-13 14:00:43,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:43" (1/1) ... [2022-07-13 14:00:43,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:43" (1/1) ... [2022-07-13 14:00:43,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:43" (1/1) ... [2022-07-13 14:00:43,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:43" (1/1) ... [2022-07-13 14:00:43,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:43" (1/1) ... [2022-07-13 14:00:43,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:43" (1/1) ... [2022-07-13 14:00:43,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:00:43,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:00:43,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:00:43,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:00:43,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:43" (1/1) ... [2022-07-13 14:00:43,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:00:43,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:00:43,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 14:00:43,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 14:00:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:00:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 14:00:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:00:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:00:43,200 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:00:43,201 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:00:43,266 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:00:43,270 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:00:43,270 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 14:00:43,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:00:43 BoogieIcfgContainer [2022-07-13 14:00:43,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:00:43,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:00:43,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:00:43,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:00:43,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:00:42" (1/3) ... [2022-07-13 14:00:43,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454d743b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:00:43, skipping insertion in model container [2022-07-13 14:00:43,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:43" (2/3) ... [2022-07-13 14:00:43,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454d743b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:00:43, skipping insertion in model container [2022-07-13 14:00:43,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:00:43" (3/3) ... [2022-07-13 14:00:43,280 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_7.i [2022-07-13 14:00:43,293 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:00:43,294 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:00:43,322 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:00:43,327 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@ff67a70, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@881bb40 [2022-07-13 14:00:43,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:00:43,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:00:43,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-13 14:00:43,334 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:00:43,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-13 14:00:43,335 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:00:43,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:00:43,338 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-07-13 14:00:43,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 14:00:43,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381320213] [2022-07-13 14:00:43,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:00:43,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 14:00:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:00:43,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:00:43,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 14:00:43,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381320213] [2022-07-13 14:00:43,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381320213] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:00:43,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:00:43,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 14:00:43,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657285714] [2022-07-13 14:00:43,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:00:43,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 14:00:43,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 14:00:43,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 14:00:43,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:00:43,492 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:00:43,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:00:43,501 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-13 14:00:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 14:00:43,503 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-07-13 14:00:43,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:00:43,509 INFO L225 Difference]: With dead ends: 19 [2022-07-13 14:00:43,509 INFO L226 Difference]: Without dead ends: 7 [2022-07-13 14:00:43,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:00:43,519 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:00:43,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 14:00:43,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-13 14:00:43,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-13 14:00:43,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:00:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-13 14:00:43,542 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-07-13 14:00:43,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:00:43,543 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-13 14:00:43,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:00:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-13 14:00:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-13 14:00:43,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:00:43,544 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-13 14:00:43,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 14:00:43,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:00:43,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:00:43,546 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-07-13 14:00:43,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 14:00:43,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98603673] [2022-07-13 14:00:43,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:00:43,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 14:00:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 14:00:43,577 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 14:00:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 14:00:43,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 14:00:43,608 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 14:00:43,610 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:00:43,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 14:00:43,615 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 14:00:43,618 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:00:43,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:00:43 BoogieIcfgContainer [2022-07-13 14:00:43,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:00:43,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:00:43,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:00:43,642 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:00:43,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:00:43" (3/4) ... [2022-07-13 14:00:43,645 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 14:00:43,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:00:43,646 INFO L158 Benchmark]: Toolchain (without parser) took 770.17ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 51.4MB in the beginning and 74.6MB in the end (delta: -23.2MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2022-07-13 14:00:43,646 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 83.9MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:00:43,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.47ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 59.8MB in the end (delta: -8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:00:43,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.57ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 58.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 14:00:43,650 INFO L158 Benchmark]: Boogie Preprocessor took 24.63ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 57.5MB in the end (delta: 804.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:00:43,652 INFO L158 Benchmark]: RCFGBuilder took 160.75ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 49.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:00:43,652 INFO L158 Benchmark]: TraceAbstraction took 367.74ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 48.6MB in the beginning and 75.1MB in the end (delta: -26.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:00:43,652 INFO L158 Benchmark]: Witness Printer took 2.99ms. Allocated memory is still 109.1MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:00:43,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 83.9MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.47ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 59.8MB in the end (delta: -8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.57ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 58.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.63ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 57.5MB in the end (delta: 804.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 160.75ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 49.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 367.74ms. Allocated memory was 83.9MB in the beginning and 109.1MB in the end (delta: 25.2MB). Free memory was 48.6MB in the beginning and 75.1MB in the end (delta: -26.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.99ms. Allocated memory is still 109.1MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 37]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 36, overapproximation of someBinaryArithmeticFLOAToperation at line 34. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L30] RET assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L32] float x = IN; [L34] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=49, x=49] [L36] COND TRUE !(result <= 1.5f && result >= -1.5f) VAL [IN=49, x=49] [L37] reach_error() VAL [IN=49, x=49] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-13 14:00:43,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cdfpl/sine_7.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf2305db0d1203cb19d8044e9a6a42a8b9d1729a9edcdb80b1d7b6c3eacfaa74 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:00:45,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:00:45,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:00:45,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:00:45,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:00:45,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:00:45,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:00:45,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:00:45,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:00:45,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:00:45,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:00:45,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:00:45,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:00:45,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:00:45,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:00:45,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:00:45,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:00:45,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:00:45,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:00:45,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:00:45,440 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:00:45,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:00:45,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:00:45,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:00:45,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:00:45,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:00:45,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:00:45,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:00:45,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:00:45,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:00:45,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:00:45,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:00:45,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:00:45,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:00:45,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:00:45,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:00:45,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:00:45,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:00:45,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:00:45,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:00:45,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:00:45,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:00:45,461 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-13 14:00:45,485 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:00:45,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:00:45,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:00:45,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:00:45,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:00:45,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:00:45,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:00:45,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:00:45,488 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:00:45,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:00:45,489 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:00:45,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:00:45,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:00:45,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:00:45,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:00:45,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:00:45,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 14:00:45,499 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 14:00:45,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 14:00:45,500 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:00:45,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:00:45,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:00:45,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:00:45,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:00:45,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:00:45,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:00:45,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:00:45,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:00:45,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:00:45,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:00:45,502 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 14:00:45,502 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 14:00:45,502 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:00:45,502 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:00:45,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:00:45,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 14:00:45,503 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf2305db0d1203cb19d8044e9a6a42a8b9d1729a9edcdb80b1d7b6c3eacfaa74 [2022-07-13 14:00:45,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:00:45,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:00:45,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:00:45,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:00:45,768 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:00:45,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_7.i [2022-07-13 14:00:45,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff22a098/5d37b46b53fd406a908e4b2a5d9e765f/FLAGc8c499e2b [2022-07-13 14:00:46,139 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:00:46,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_7.i [2022-07-13 14:00:46,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff22a098/5d37b46b53fd406a908e4b2a5d9e765f/FLAGc8c499e2b [2022-07-13 14:00:46,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aff22a098/5d37b46b53fd406a908e4b2a5d9e765f [2022-07-13 14:00:46,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:00:46,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:00:46,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:00:46,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:00:46,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:00:46,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:00:46" (1/1) ... [2022-07-13 14:00:46,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2005f5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46, skipping insertion in model container [2022-07-13 14:00:46,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:00:46" (1/1) ... [2022-07-13 14:00:46,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:00:46,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:00:46,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_7.i[1641,1654] [2022-07-13 14:00:46,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:00:46,325 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:00:46,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_7.i[1641,1654] [2022-07-13 14:00:46,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:00:46,391 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:00:46,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46 WrapperNode [2022-07-13 14:00:46,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:00:46,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:00:46,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:00:46,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:00:46,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46" (1/1) ... [2022-07-13 14:00:46,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46" (1/1) ... [2022-07-13 14:00:46,417 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-07-13 14:00:46,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:00:46,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:00:46,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:00:46,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:00:46,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46" (1/1) ... [2022-07-13 14:00:46,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46" (1/1) ... [2022-07-13 14:00:46,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46" (1/1) ... [2022-07-13 14:00:46,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46" (1/1) ... [2022-07-13 14:00:46,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46" (1/1) ... [2022-07-13 14:00:46,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46" (1/1) ... [2022-07-13 14:00:46,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46" (1/1) ... [2022-07-13 14:00:46,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:00:46,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:00:46,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:00:46,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:00:46,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46" (1/1) ... [2022-07-13 14:00:46,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:00:46,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:00:46,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 14:00:46,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 14:00:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:00:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 14:00:46,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:00:46,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:00:46,555 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:00:46,557 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:00:48,938 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:00:48,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:00:48,942 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 14:00:48,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:00:48 BoogieIcfgContainer [2022-07-13 14:00:48,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:00:48,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:00:48,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:00:48,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:00:48,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:00:46" (1/3) ... [2022-07-13 14:00:48,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394d1c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:00:48, skipping insertion in model container [2022-07-13 14:00:48,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:00:46" (2/3) ... [2022-07-13 14:00:48,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394d1c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:00:48, skipping insertion in model container [2022-07-13 14:00:48,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:00:48" (3/3) ... [2022-07-13 14:00:48,950 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_7.i [2022-07-13 14:00:48,959 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:00:48,960 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:00:48,992 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:00:48,997 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4d06f9b5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@58718907 [2022-07-13 14:00:48,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:00:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:00:49,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-13 14:00:49,004 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:00:49,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-13 14:00:49,005 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:00:49,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:00:49,008 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-07-13 14:00:49,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:00:49,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254385972] [2022-07-13 14:00:49,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:00:49,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:00:49,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:00:49,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:00:49,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 14:00:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:00:49,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-13 14:00:49,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:00:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:00:49,451 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:00:49,451 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:00:49,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254385972] [2022-07-13 14:00:49,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [254385972] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:00:49,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:00:49,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 14:00:49,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754039246] [2022-07-13 14:00:49,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:00:49,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 14:00:49,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:00:49,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 14:00:49,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:00:49,476 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:00:49,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:00:49,484 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-13 14:00:49,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 14:00:49,485 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-07-13 14:00:49,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:00:49,490 INFO L225 Difference]: With dead ends: 19 [2022-07-13 14:00:49,490 INFO L226 Difference]: Without dead ends: 7 [2022-07-13 14:00:49,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 14:00:49,494 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:00:49,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 14:00:49,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-13 14:00:49,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-13 14:00:49,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:00:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-13 14:00:49,513 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-07-13 14:00:49,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:00:49,514 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-13 14:00:49,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:00:49,514 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-13 14:00:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-13 14:00:49,514 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:00:49,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-13 14:00:49,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-13 14:00:49,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:00:49,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:00:49,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:00:49,732 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-07-13 14:00:49,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:00:49,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825623297] [2022-07-13 14:00:49,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:00:49,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:00:49,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:00:49,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:00:49,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process